F-15：for goodness' sake 做做好事吧
A:Where are you from?
A:你从哪里来？
B:Gansu Province.
B：甘肃省。
A:For goodness' sake, I didn't know we're from the same place.
A:天哪，我还不知道呢，我们是老乡啊。
B:Did you have a good time tonight?
B：今晚你在这儿过得怎么样？
A:Yes, marvelous time!
A：好极了。
